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Constructing a Quality-Adjusted Price Index for a Heterogeneous Oligopoly

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  • David Prentice
  • Xiangkang Yin

Abstract

Both the theory and practice of using hedonic regressions to remove quality effects in price indexes are implicitly developed for monopolistic competitive markets. In this paper, we theoretically and practically analyse the application of a standard hedonic regression for an oligopoly. In the theoretical work, we recast how for an oligopoly the standard hedonic regression may be unstable. Then in the empirical work, we recommend using the weighted imputation method for constructing an index and estimating separate hedonic regressions for market segments. We apply these recommendations to estimating a quality-adjusted price index for the Australian passenger vehicle market and find they make a substantial difference. Copyright Blackwell Publishing Ltd and The Victoria University of Manchester, 2004.

Suggested Citation

  • David Prentice & Xiangkang Yin, 2004. "Constructing a Quality-Adjusted Price Index for a Heterogeneous Oligopoly," Manchester School, University of Manchester, vol. 72(4), pages 423-442, July.
  • Handle: RePEc:bla:manchs:v:72:y:2004:i:4:p:423-442
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    References listed on IDEAS

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    1. repec:ucp:bknber:9780226304557 is not listed on IDEAS
    2. Ariel Pakes, 2003. "A Reconsideration of Hedonic Price Indexes with an Application to PC's," American Economic Review, American Economic Association, vol. 93(5), pages 1578-1596, December.
    3. Rosen, Sherwin, 1974. "Hedonic Prices and Implicit Markets: Product Differentiation in Pure Competition," Journal of Political Economy, University of Chicago Press, vol. 82(1), pages 34-55, Jan.-Feb..
    4. Aviv Nevo, 2003. "New Products, Quality Changes, and Welfare Measures Computed from Estimated Demand Systems," The Review of Economics and Statistics, MIT Press, vol. 85(2), pages 266-275, May.
    5. Jonathan Murray & Nicholas Sarantis, 1999. "Price-Quality Relations and Hedonic Price Indexes for Cars in the United Kingdom," International Journal of the Economics of Business, Taylor & Francis Journals, vol. 6(1), pages 5-27.
    6. David Prentice & Xiangkang Yin, 2004. "Constructing a Quality-Adjusted Price Index for a Heterogeneous Oligopoly," Manchester School, University of Manchester, vol. 72(4), pages 423-442, July.
    7. Shigenori Shiratsuka, 1995. "Automobile Prices and Quality Changes : A Hedonic Price Analysis of Japanese Automobile Market," Monetary and Economic Studies, Institute for Monetary and Economic Studies, Bank of Japan, vol. 13(2), pages 1-44, December.
    8. Cowling, Keith & Cubbin, John, 1972. "Hedonic Price Indexes for United Kingdom Cars," Economic Journal, Royal Economic Society, vol. 82(327), pages 963-978, September.
    9. Cropper, Maureen L & Deck, Leland B & McConnell, Kenneth E, 1988. "On the Choice of Functional Form for Hedonic Price Functions," The Review of Economics and Statistics, MIT Press, vol. 70(4), pages 668-675, November.
    10. David Prentice & Xiangkang Yin, 2000. "Measuring Quality-Adjusted Inflation Rates for a Heterogeneous Oligopoly," Working Papers 2000.06, School of Economics, La Trobe University.
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    Cited by:

    1. David Prentice & Xiangkang Yin, 2004. "Constructing a Quality-Adjusted Price Index for a Heterogeneous Oligopoly," Manchester School, University of Manchester, vol. 72(4), pages 423-442, July.
    2. Claus Munk & Alexey Rubtsov, 2014. "Portfolio management with stochastic interest rates and inflation ambiguity," Annals of Finance, Springer, vol. 10(3), pages 419-455, August.

    More about this item

    JEL classification:

    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L62 - Industrial Organization - - Industry Studies: Manufacturing - - - Automobiles; Other Transportation Equipment; Related Parts and Equipment

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